/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#ifndef _my_getopt_h
#define _my_getopt_h

C_MODE_START

#define GET_NO_ARG 1
#define GET_BOOL 2
#define GET_INT 3
#define GET_UINT 4
#define GET_LONG 5
#define GET_ULONG 6
#define GET_LL 7
#define GET_ULL 8
#define GET_STR 9
#define GET_STR_ALLOC 10
#define GET_DISABLED 11

#define GET_ASK_ADDR 128
#define GET_TYPE_MASK 127

enum get_opt_arg_type
{
  NO_ARG,
  OPT_ARG,
  REQUIRED_ARG
};

struct my_option
{
  const char *name;        /* Name of the option */
  int id;                  /* unique id or short option */
  const char *comment;     /* option comment, for autom. --help */
  gptr *value;             /* The variable value */
  gptr *u_max_value;       /* The user def. max variable value */
  const char **str_values; /* Pointer to possible values */
  ulong var_type;
  enum get_opt_arg_type arg_type;
  longlong def_value; /* Default value */
  longlong min_value; /* Min allowed value */
  longlong max_value; /* Max allowed value */
  longlong sub_size;  /* Subtract this from given value */
  long block_size;    /* Value should be a mult. of this */
  int app_type;       /* To be used by an application */
};

typedef my_bool (*my_get_one_option)(int, const struct my_option *, char *);
typedef void (*my_error_reporter)(enum loglevel level, const char *format, ...);

extern char *disabled_my_option;
extern my_bool my_getopt_print_errors;
extern my_error_reporter my_getopt_error_reporter;

extern int handle_options(int *argc, char ***argv, const struct my_option *longopts, my_get_one_option);
extern void my_print_help(const struct my_option *options);
extern void my_print_variables(const struct my_option *options);
extern void my_getopt_register_get_addr(gptr *(*func_addr)(const char *, uint, const struct my_option *));

ulonglong getopt_ull_limit_value(ulonglong num, const struct my_option *optp);
my_bool getopt_compare_strings(const char *s, const char *t, uint length);

C_MODE_END

#endif /* _my_getopt_h */
